CVE-2019-6472

Name: CVE-2019-6472
Creator: NVD / NIST
Published: 2019-10-16T18:15:37.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2019-6472 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.80%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-617

Affected Software

Vendor	Product	Versions	Update
Isc	Kea	>= 1.4.0, <= 1.5.0	—
Isc	Kea	1.6.0	Beta1

References

https://kb.isc.org/docs/cve-2019-6472Vendor Advisory
https://kb.isc.org/docs/cve-2019-6472Vendor Advisory

Timeline

Published: Oct 16, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-6472?

A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

How severe is CVE-2019-6472?

CVE-2019-6472 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2019-6472?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6472?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST